- ruling grade
-
the steepest grade on a given stretch of track, which determines the maximum tonnage that can be hauled in a train having a given horsepower at a stated minimum speed.
* * *
Universalium. 2010.
ruling grade
Look at other dictionaries:
ruling grade — noun : the grade on any particular road regarded as limiting the weight of a train that can be drawn by one engine compare pusher grade * * * Railroads. the steepest grade on a given stretch of track, which determines the maximum tonnage that can … Useful english dictionary
Ruling gradient — The ruling gradient (or ruling grade) of a section of railway line is the steepest section of that line. The ruling gradient is important in assigning locomotives to trains, as the locomotives must have sufficient power to pull the train over the … Wikipedia
Grade (slope) — d = run Δh = rise l = slope length α = angle of inclination This article is for the grade of a topographic feature or constructed element, for other uses see: Slope (disambiguation) The grade (also called slope, incline, gradient, pitch or rise)… … Wikipedia
pusher grade — noun : a railroad grade that is steeper than the ruling grade and requires a pusher locomotive to be used with a train of normal weight … Useful english dictionary
NRS social grade — The NRS social grades are a system of demographic classification used in the United Kingdom. They were originally developed by the National Readership Survey in order to classify readers, but are now used by many other organisations for wider… … Wikipedia
railroad — /rayl rohd /, n. 1. a permanent road laid with rails, commonly in one or more pairs of continuous lines forming a track or tracks, on which locomotives and cars are run for the transportation of passengers, freight, and mail. 2. an entire system… … Universalium
Lackawanna Cut-Off — The westbound Lackawanna Limited comes off the Pequest Fill shortly after the opening of the Lackawanna Cut Off. Taken from the signal tower at the east end of Greendell Siding, this early 1912 photo was used as a template for a Phoebe Snow… … Wikipedia
Ardglen Tunnel — The Ardglen Tunnel is a summit tunnel on the Main North railway in New South Wales, Australia, between Newcastle and Werris Creek. It crosses under the Liverpool Range near its east end below Nowland Pass (otherwise known as Murrurundi Gap), the… … Wikipedia
Rathole tunnel — Rathole tunnels are railway tunnels where fumes from locomotives make passage through the tunnel unpleasantFact|date=February 2007. OverviewRathole tunnels are characterized by being long, steeply graded, narrow bores (often with single tracks).… … Wikipedia
Cartier Railway — Locale Northeastern Quebec Dates of operation 1960 present– Track gauge 1,435 mm (4 ft 8 1⁄2 in) (stand … Wikipedia
